From 12a820c9d84cec0e2f36d9571ca841499b67eac4 Mon Sep 17 00:00:00 2001
From: Kenneth Graunke <kenneth@whitecape.org>
Date: Mon, 21 Jun 2010 15:15:34 -0700
Subject: [PATCH] glcpp: Fix "dangerous trailing context" warning.

Flex couldn't be sure whether "def" and "ndef" were part of the #ifdef
and #ifndef patterns or the trailing context of the #if pattern.
---
 glcpp/glcpp-lex.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/glcpp/glcpp-lex.l b/glcpp/glcpp-lex.l
index fabe756..afddd7d 100644
--- a/glcpp/glcpp-lex.l
+++ b/glcpp/glcpp-lex.l
@@ -97,7 +97,7 @@ HEXADECIMAL_INTEGER	0[xX][0-9a-fA-F]+[uU]?
 	return HASH_IFNDEF;
 }
 
-{HASH}if/.*\n {
+{HASH}if{HSPACE}/.*\n {
 	yyextra->lexing_if = 1;
 	yyextra->space_tokens = 0;
 	return HASH_IF;
-- 
2.7.4